An exchange economy in which agents have convex incomplete preferences defined by families of concave utility functions is consid- ered. Sufficient conditions for the set of efficient allocations and equi- libria to coincide with the set of efficient allocations and equilibria that result when...

This paper introduces a kernel-based nonparametric inferential proce-

This paper examines the co-movements dynamics between OCDE countries with the US and Europe. The core focus is to suggest advantageous techniques allowing the investigation with respect to time and frequency, namely evolutionary co-spectral analysis and wavelet analysis. Our study puts in...

Mastering the underlying characteristics of carbon price changes can help governments formulate correct policies to keep efficient operation of carbon markets, and investors take effective measures to evade their investment risks. Empirical mode decomposition (EMD), a self-adaption data analysis...

In recent years, natural disasters from Hurricane Katrina to the Fukushima earthquake have grabbed the attention of the public, policymakers and academics. In this paper we contribute to this relatively new literature and examine the impact of the 1995 Kobe earthquake on the survival of...

This paper is dealing with major issues on a competitive intelligence system. Our research is based on an inductive approach as we study the case of the competitive intelligence system of a big technological firm. Results identify three categories of factors that are widely discussed. Managerial...

In this note, we present a wealth model of a two-country economy where ffnancial assets and goods are traded. We consider the case where the agents are risk neutral, a very common assumption in ffnance in order to have explicit solutions for prices, and in particular in international ffnance for...

This article proposes to analyze a strategic case of failure 1001libraires.com while being based theoretically on the work devoted to the collective strategies. If the project met compared to the latter a set of economic conditions favorable to its succes

Information systems play an important role in the management of organizations. They are considered as social objects interacting with users and the context of their implementation. The purpose of our research is to identify the key factors influencing the users’ behavior toward a decision...

This article examines the company TUI and its Magic Life hotel chain. The remarkable success of this group in terms of sustainable development led him to develop its own norms and standards. Unfortunately, public policies and private initiatives such as TUI are now hampered by the reluctance of...